US Bridges

S.H. 51 over Cutacross Branch

Fair

Adair County, Oklahoma · 9.8 Mi.Se.Cherokee Cl · Structure no. 053630000000000

Built
1937
88 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 51 over Cutacross Branch is a concrete culvert carrying S.H. 51 over Cutacross Branch in Adair County, Oklahoma. It was built in 1937, so it is 88 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,000 vehicles a day, roughly 15% of them trucks, projected to reach 6,400 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesS.H. 51
CrossesCutacross Branch
Location9.8 Mi.Se.Cherokee Cl
RouteState Highway 51
CountyAdair County
StateOklahoma
Coordinates35.83818, -94.65239
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic6,400 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 51 over Cutacross Branch built?

It was built in 1937, making it 88 years old in 2025.

What condition is S.H. 51 over Cutacross Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does S.H. 51 over Cutacross Branch carry?

About 4,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 51 over Cutacross Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 51 over Cutacross Branch?

It is owned by the State Highway Agency.